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公开(公告)号：US703843A
公开(公告)日：1902-07-01
申请号：US1902089010
申请日：1902-01-09
Applicant: SMITH STEPHEN
Inventor： SMITH STEPHEN
CPC classification number: F16B45/00 , Y10S24/33 , Y10T24/45005 , Y10T24/45979
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公开(公告)号：US997157A
公开(公告)日：1911-07-04
申请号：US1910539819
申请日：1910-01-24
Applicant: SMITH STEPHEN
Inventor： SMITH STEPHEN
CPC classification number: F03B11/08 , B01D33/073 , Y02E10/226
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